Fiber Calculator
Calculate yarn, rope, cable, and string measurements for knitting, crafting, and construction projects. Get precise length, weight, and material estimates.
Step 1: Fiber Specifications
Fiber Measurements
Accurate fiber specifications are crucial for calculating the correct amount of material needed. Thicker fibers require more material for the same length.
Step 2: Project Requirements
About Fiber Calculations
Different fiber types have different density and weight characteristics. Always buy 10-20% extra to account for mistakes, pattern variations, or future repairs.
Fiber Calculation Results
Total Project Cost
Fiber Material Requirements
Material Calculation
Always round up when calculating spools/skeins needed. It’s better to have extra material than to run out mid-project. Leftover material can be used for repairs or smaller projects.
Material & Cost Breakdown
Fiber Calculation Formula
Total Spools = Ceiling((Project Length × Waste Factor) / Spool Length)
Calculate total length needed by multiplying project requirements by waste factor (typically 10-25%). Divide by spool/skein length and round up to nearest whole number to determine spools needed.
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